<!DOCTYPE html>
<html lang="en" >
<head>
    <meta charset="UTF-8">
    <title>程序升级上传页面</title>
</head>
<body>
<form action="/upload" method="POST" enctype="multipart/form-data">
    <input type="file" name="file" ><br>
    <input type="submit" value="上传">
</form>
</body>
</html>
